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Finding the Fourth Proportional to 16,715.68, 25,070.36 and 8,393.46

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Solution

The fourth proportional to 16,715.68, 25,070.36 and 8,393.46 is: 12,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.68 : 25,070.36 = 8,393.46 : x
  2. Step 2: Convert to fraction form
    16,715.68/25,070.36 = 8,393.46/x
  3. Step 3: Cross multiply
    16,715.68x = 25,070.36 × 8,393.46
  4. Step 4: Simplify right side
    16,715.68x = 210,427,063.85
  5. Step 5: Solve for x
    x = 210,427,063.85/16,715.68
  6. Step 6: Final answer
    x = 12,588.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.